CN105417924B - A kind of drilling wastes, which do not land, collects processing equipment and technique - Google Patents

A kind of drilling wastes, which do not land, collects processing equipment and technique Download PDF

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Publication number
CN105417924B
CN105417924B CN201510993363.4A CN201510993363A CN105417924B CN 105417924 B CN105417924 B CN 105417924B CN 201510993363 A CN201510993363 A CN 201510993363A CN 105417924 B CN105417924 B CN 105417924B
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unit
water
reuse
tank
sludge
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CN201510993363.4A
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CN105417924A (en
Inventor
战树岩
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TIANJIN BEIFANG WANFENG ENVIRONMENTAL PROTECTION SCIENCE AND TECHNOLOGY Co Ltd
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TIANJIN BEIFANG WANFENG ENVIRONMENTAL PROTECTION SCIENCE AND TECHNOLOGY Co Ltd
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Priority to CN201510993363.4A priority Critical patent/CN105417924B/en
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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00Treatment of sludge; Devices therefor
    • C02F11/12Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/14Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water, or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/10Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities

Abstract

It is not landed the invention discloses a kind of drilling wastes and collects processing equipment and technique, including well drilling waste mud collector unit (1), slurry dewatering unit (2), dosing unit (3), water process and reuse unit (4);The well drilling waste mud collector unit (1) includes screw conveyor (6) and dry sieve (7);The slurry dewatering unit (2) includes dilution and takes off steady tank (10), sludge blending bin (11), sludge collection box (12) and sludge dewatering equipment (13);The dosing unit (3) includes gel breaker chemicals dosing plant (14), flocculant chemicals dosing plant (15);The water process and reuse unit (4) include coagulative precipitation tank (16), absorbent charcoal adsorption tank (17), dehydration liquid baffle-box (18), reuse water tank (19), overflowing liquid collecting box (20) and ultrafiltration reverse osmosis device (21).Overall process is truly realized mud and does not land, and avoids pollution of the drilling wastes to surrounding enviroment.

Description

A kind of drilling wastes, which do not land, collects processing equipment and technique
Technical field
The invention belongs to drilling well field of environment protection equipment more particularly to a kind of drilling wastes do not land collect processing equipment and Technique.
Background technology
Substantial amounts of drilling wastes can be generated in Process of Oil Well Drilling.Drilling wastes are a kind of extremely complex disperse System, the waste water and landwaste that are mainly generated by well drilling waste mud, drilling well etc. forms, and has oils, solid suspension, a huge sum of money It is big to belong to ion concentration height, water-cut variation, it is difficult to which the features such as being dehydrated is the main pollution of generation during current oil exploration Object.Poisonous and harmful element content is higher in drilling wastes, if directly discharge can cause environment larger harm.Wherein, endanger The main chemical compositions of environment have hydro carbons, salt, all kinds of polymer, heavy metal ion, the sundries in barite and pitch etc. to change Property object.These pollutants have the characteristics such as high chroma, high petroleum-type, high COD, high suspended matter, high salinity.At present, very much In the drilling process in oil field, can near well head excavate a larger mud sump, drilling wastes with drilling process into Row and generate, and be directly discharged into mud sump, the leakage of discarded slurry and excessive underground water and Soil Surrounding can be caused seriously Pollution, makes soil lie waste.
Drilling mud and drilling waste water are fluid state, and water-cut variation is larger, are a kind of relatively stable colloid bodies System.And although well drilling detritus moisture content is relatively low, is not easy to transport and clears up since surface attachment has more mud.At present, state It inside not yet develops more suitable drilling wastes and collects processing equipment and technique, most of oil field is all using at curing mode Drilling wastes are managed, i.e., drilling wastes concentration is discharged into mud sump, adds in a large amount of curing agent thereto, are run through chemical anti- It should realize that dehydrating and curing forms a kind of solid matter of similar soil and emergency burial.And due to curing agent chemical property itself Limitation, harmful components in drilling wastes after curing still can slow release into soil and groundwater, cause secondary dirt Dye.In addition, the hardener dose required by such method is larger (account for discarded object total amount 1/3), so as to considerably increase place Manage cost.
It is more next to drilling wastes emission request in Process of Oil Well Drilling with the continuous reinforcement of China environmental protection dynamics It is stringenter, it is desirable that in drilling process processing is not landed to the realization of drilling mud discarded object, while strengthen seepage control measure, it is stringent to control Pollution of the drilling wastes processed to drilling well surrounding enviroment.It therefore, will necessarily be by a manner that curing agent handles drilling wastes Progressively forbid, urgent need seeks a kind of suitable drilling wastes and do not land collection processing equipment and method.
The content of the invention
In order to solve the shortcomings of the prior art, the present invention provides a kind of drilling wastes do not land collection processing and Technique.
Technical solution provided by the invention is:A kind of drilling wastes do not land collection processing equipment, which is characterized in that bag Include well drilling waste mud collector unit 1, slurry dewatering unit 2, dosing unit 3, water process and reuse unit 4;The drilling well is given up Abandoning slurry collecting unit 1 includes screw conveyor 6 and dry sieve 7;The slurry dewatering unit 2 includes dilution and takes off steady tank 10, dirt Mud blending bin 11, sludge collection box 12 and sludge dewatering equipment 13;The dosing unit 3 includes gel breaker chemicals dosing plant 14, flocculation Agent chemicals dosing plant 15;The water process and reuse unit 4 include coagulative precipitation tank 16, absorbent charcoal adsorption tank 17, dehydration liquid buffering Case 18, reuse water tank 19, overflowing liquid collecting box 20 and ultrafiltration reverse osmosis device 21;Described in 16 top of the coagulative precipitation tank connection Absorbent charcoal adsorption tank 17;The well drilling waste mud collector unit 1 is connected to described dilute by mud line 24 through slush pump A5 Release off steady tank 10;The dilution takes off steady tank 10 and is connected to the sludge blending bin 11, institute through slurry pump B 8 by mud line 24 It states 11 lower part of sludge blending bin and is provided with sludge collection box 12;The sludge collection box 12 is by mud line 24 through slush pump C22 is connected to sludge dewatering equipment 13;The sludge dewatering equipment 13 is connected to the dehydration liquid baffle-box by water-circulation pipe 26 18;The outlet of the dehydration liquid baffle-box 18 is connected to the coagulative precipitation tank 16 by the water-circulation pipe 26 all the way, separately The dilution is connected to by the water-circulation pipe 26 all the way and takes off steady tank 10;It is described after water process and reuse unit 4 are handled Water by the water-circulation pipe 26 enter the reuse water tank 19, the outlet of the reuse water tank 19 is cycled by the water Pipeline 26 connects the dilution and takes off steady tank 10 and the ultrafiltration reverse osmosis device 21;20 entrance of overflowing liquid collecting box and dehydration Liquid baffle-box 18 and reuse water tank 19 connect;The flocculant chemicals dosing plant 15 is connected to by dosing pipeline 25 by dosing pump A9 The sludge blending bin 11;
Further, the dry sieve 7 is high frequency shale shaker, and sieve mesh number reaches 500-550;
Further, the ultrafiltration reverse osmosis device 21 carries out membrane filtration and reverse osmosis place to the reuse water tank 19 dehydration liquid Reason can remove wherein remaining suspended matter and salt compounds;
Further, the gel breaker chemicals dosing plant 14 and dosing pump A9 and dosing pump B27 on flocculant chemicals dosing plant 15 Medicament is conveyed using electromagnetic pump;
Further, the water process and reuse unit 4 use the circulating design of integrally closed;
Further, spray equipment, periodic flushing are equipped with before the dry sieve 7 exports above sieve.
A kind of drilling wastes do not land collection treatment process, and step includes well drilling waste mud collector unit 1 and receives completely Collect well drilling detritus and silt, first pass through dry sieve 7 and be dried, dried waste solid is transported through screw conveyor 6;Mud Slurry by slush pump A5 be delivered to dilution take off steady tank 10 dilute and break glue handle;Mud after breaking gel is delivered to by slurry pump B 8 Sludge blending bin 11 gives birth to flocculation reaction with flocculant hybrid concurrency;Mud after flocculation is delivered to sludge by slush pump C22 and takes off Water dispenser 13 is carried out dehydrating;The solid matter in mud forms the relatively low mud cake discharge of moisture content after processing, and dehydration liquid is then It is discharged into water process and reuse unit 4 carries out follow-up water process and reuse;
The follow-up water process and reuse step are included after coagulating sedimentation, and then carry out activated carbon adsorption, finally Membrane filtration and reverse-osmosis treated are carried out to dehydration liquid.
Advantageous effect:
(1) landwaste and silt generated in drilling process can be collected at any time, and carries out drying process, concentrates and deposit It puts, dried solid-state castoff is easy to transport and follow-up disposal;
(2) gel breaker, which flocculates, can be realized to the mud of stable state by medicament, is converted into the relatively low mud cake of moisture content and dehydration Liquid makes solid phase, liquid phase separation and is handled respectively;
(3) recycling of water is realized, the water consumption in drilling process, while sewage after processing is greatly saved It can qualified discharge.
(4) overall process is truly realized mud and does not land, and avoids pollution of the drilling wastes to surrounding enviroment.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
In figure:1- well drilling waste mud collector units, 2- slurry dewatering units, 3- dosing units, 4- water process and reuse Unit, 5- slush pumps A, 6- screw conveyor, 7- dry sieves, 8- slurry pump Bs, 9- dosing pumps A, 10- dilution take off steady tank, and 11- is dirty Mud blending bin, 12- sludge collection boxes, 13- sludge dewatering equipments, 14- gel breaker chemicals dosing plants, 15- flocculant chemicals dosing plants, 16- Coagulative precipitation tank, 17- absorbent charcoal adsorption tanks, 18- dehydration liquid baffle-boxs, 19- reuse water tanks, 20- overflowing liquid collecting boxs, 21- surpass Filter reverse osmosis unit, 22- slush pumps C, 23- dredge pump, 24- mud lines, 25- dosing pipelines, 26- water-circulation pipes, 27- add Teat pipette B.
Specific embodiment
The present invention is described in further details in the following with reference to the drawings and specific embodiments.
Embodiment:
A kind of drilling wastes do not land collection processing equipment, including well drilling waste mud collector unit 1, slurry dewatering list Member 2, dosing unit 3, water process and reuse unit 4;The well drilling waste mud collector unit 1 includes screw conveyor 6 and does Dry sieve 7;The slurry dewatering unit 2 includes dilution and takes off steady tank 10, sludge blending bin 11, sludge collection box 12 and sludge dewatering equipment 13;The dosing unit 3 includes gel breaker chemicals dosing plant 14, flocculant chemicals dosing plant 15;The water process and reuse unit 4 wrap Include coagulative precipitation tank 16, absorbent charcoal adsorption tank 17, dehydration liquid baffle-box 18, reuse water tank 19, overflowing liquid collecting box 20 and ultrafiltration Reverse osmosis unit 21;16 top of coagulative precipitation tank connects the absorbent charcoal adsorption tank 17;The well drilling waste mud is collected Unit 1 is connected to the dilution through slush pump A5 by mud line 24 and takes off steady tank 10;The dilution takes off steady tank 10 and passes through mud Pipeline 24 is connected to the sludge blending bin 11 through slurry pump B 8, and 11 lower part of sludge blending bin is provided with sludge collection box 12;The sludge collection box 12 is connected to sludge dewatering equipment 13 by mud line 24 through slush pump C22;The sludge dewatering equipment 13 are connected to the dehydration liquid baffle-box 18 by water-circulation pipe 26;The outlet of the dehydration liquid baffle-box 18 passes through institute all the way It states water-circulation pipe 26 and is connected to the coagulative precipitation tank 16, another way is connected to the dilution by the water-circulation pipe 26 Take off steady tank 10;It is described to pass through the water-circulation pipe 26 through water process and reuse unit 4 treated water and enter the recycle-water Case 19, the outlet of the reuse water tank 19 connects the de- steady tank 10 of dilution by the water-circulation pipe 26 and the ultrafiltration is anti- Permeability apparatus 21;20 entrance of overflowing liquid collecting box is connected with dehydration liquid baffle-box 18 and reuse water tank 19;The flocculant Chemicals dosing plant 15 is connected to the sludge blending bin 11 by dosing pipeline 25 by dosing pump A9;The dry sieve 7 is high frequency Vibrating screen, sieve mesh number reach 500-550;The ultrafiltration reverse osmosis device 21 carries out film to the reuse water tank 19 to dehydration liquid Filtering and reverse-osmosis treated can remove wherein remaining suspended matter and salt compounds;The gel breaker chemicals dosing plant 14 and wadding Dosing pump A9 and dosing pump B27 on solidifying agent chemicals dosing plant 15 convey medicament using electromagnetic pump;The water process and reuse list Member 4 uses the circulating design of integrally closed;Spray equipment, periodic flushing are equipped with before the dry sieve 7 exports above sieve.
A kind of drilling wastes, which do not land collection treatment process steps, includes the collection completely of well drilling waste mud collector unit 1 Well drilling detritus and silt first pass through dry sieve 7 and are dried, and dried waste solid is transported through screw conveyor 6;Mud By slush pump A5 be delivered to dilution take off steady tank 10 dilute and break glue processing;Mud after breaking gel is delivered to dirt by slurry pump B 8 Mud blending bin 11 gives birth to flocculation reaction with flocculant hybrid concurrency;Mud after flocculation is delivered to sludge dewatering by slush pump C22 Machine 13 is carried out dehydrating;The solid matter in mud forms the relatively low mud cake discharge of moisture content after processing, and dehydration liquid is then arranged Enter water process and reuse unit 4 carries out follow-up water process and reuse;The follow-up water process and reuse step are included through coagulation After precipitation, activated carbon adsorption is and then carried out, membrane filtration and reverse-osmosis treated finally are carried out to dehydration liquid.

Claims (10)

1. a kind of drilling wastes do not land collection processing equipment, which is characterized in that including well drilling waste mud collector unit (1), slurry dewatering unit (2), dosing unit (3), water process and reuse unit (4);The well drilling waste mud collector unit (1) screw conveyor (6) and dry sieve (7) are included;The slurry dewatering unit (2) includes the de- steady tank (10) of dilution, sludge mixes Mould assembling (11), sludge collection box (12) and sludge dewatering equipment (13);The dosing unit (3) includes independently separated gel breaker and adds Medicine device (14) and flocculant chemicals dosing plant (15);The water process and reuse unit (4) include coagulative precipitation tank (16), activity Charcoal adsorption tanks (17), dehydration liquid baffle-box (18), reuse water tank (19), overflowing liquid collecting box (20) and ultrafiltration reverse osmosis device (21);Coagulative precipitation tank (16) top connects the absorbent charcoal adsorption tank (17);
The well drilling waste mud collector unit (1) is connected to the dilution through slush pump A (5) by mud line (24) and takes off surely Tank (10);The dilution takes off steady tank (10) and is connected to the sludge blending bin through slurry pump B (8) by mud line (24) (11), sludge blending bin (11) lower part is provided with sludge collection box (12);The sludge collection box (12) passes through mud tube Line (24) is connected to sludge dewatering equipment (13) through slush pump C (22);The sludge dewatering equipment (13) passes through water-circulation pipe (26) It is connected to the dehydration liquid baffle-box (18);The outlet of the dehydration liquid baffle-box (18) passes through the water-circulation pipe all the way (26) coagulative precipitation tank (16) is connected to, another way is connected to the dilution by the water-circulation pipe (26) and takes off steady tank (10);Pass through the water-circulation pipe (26) through water process and reuse unit (4) treated water and enter the reuse water tank (19), the outlet of the reuse water tank (19) connects the dilution by the water-circulation pipe (26) and takes off steady tank (10) and described Ultrafiltration reverse osmosis device (21);Overflowing liquid collecting box (20) entrance connects with dehydration liquid baffle-box (18) and reuse water tank (19) It connects;The flocculant chemicals dosing plant (15) is connected to the sludge blending bin by dosing pipeline (25) by dosing pump A (9) (11)。
2. a kind of drilling wastes according to claim 1 do not land collection processing equipment, which is characterized in that described is dry Dry sieve (7) is high frequency shale shaker, and sieve mesh number reaches 500-550.
3. a kind of drilling wastes according to claim 1 do not land collection processing equipment, which is characterized in that the ultrafiltration Reverse osmosis unit (21) carries out membrane filtration and reverse-osmosis treated to the reuse water tank (19) dehydration liquid, can remove wherein remaining Suspended matter and salt compounds.
4. a kind of drilling wastes according to claim 1 do not land collection processing equipment, which is characterized in that the broken glue Dosing pump A (9) and dosing pump B (27) on agent chemicals dosing plant (14) and flocculant chemicals dosing plant (15) are conveyed using electromagnetic pump Medicament.
5. a kind of drilling wastes according to claim 1 do not land collection processing equipment, which is characterized in that the drying Sieve top is equipped with spray equipment, periodic flushing before sieving (7) outlet.
6. a kind of drilling wastes according to claim 1 do not land collection processing equipment, which is characterized in that at the water Reason and reuse unit (4) use the circulating design of integrally closed.
7. the drilling wastes described in usage right requirement 1 do not land the technique for collecting processing equipment, which is characterized in that drilling well is given up It abandons slurry collecting unit (1) and collects well drilling detritus and silt completely, first pass through dry sieve (7) and be dried, it is dried discarded Solids is transported through screw conveyor (6);Mud is delivered to de- steady tank (10) dilution of dilution by slush pump A (5) and adds together Gel breaker carry out brokenly glue processing;Mud after breaking gel is delivered to sludge blending bin (11) by slurry pump B (8) and is mixed with flocculant Merge and flocculation reaction occurs;Mud after flocculation is delivered to sludge dewatering equipment (13) by slush pump C (22) and is carried out dehydrating; The solid matter in mud forms the relatively low mud cake discharge of moisture content after processing, and dehydration liquid is then discharged into water process and reuse unit (4) follow-up water process and reuse are carried out.
8. technique according to claim 7, which is characterized in that the subsequent processing and reuse step include sinking through coagulation Behind shallow lake, activated carbon adsorption is and then carried out, membrane filtration and reverse-osmosis treated finally are carried out to dehydration liquid.
9. technique according to claim 7, which is characterized in that the well drilling waste mud collector unit (1) is to drilling well rock Bits and silt are collected completely.
10. technique according to claim 7, which is characterized in that the gel breaker and flocculant divide in different containers It does not add, it is ensured that reaction is abundant, avoids interfering with each other between medicament.
CN201510993363.4A 2015-12-24 2015-12-24 A kind of drilling wastes, which do not land, collects processing equipment and technique Active CN105417924B (en)

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CN201510993363.4A CN105417924B (en) 2015-12-24 2015-12-24 A kind of drilling wastes, which do not land, collects processing equipment and technique

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CN201510993363.4A CN105417924B (en) 2015-12-24 2015-12-24 A kind of drilling wastes, which do not land, collects processing equipment and technique

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CN105417924B true CN105417924B (en) 2018-06-05

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Publication number Priority date Publication date Assignee Title
CN106242010A (en) * 2016-08-31 2016-12-21 青川县俸佳硅矿有限责任公司 A kind of washed-out sand sewage zero-discharge cycling and reutilization processes technique
CN107837567A (en) * 2017-11-29 2018-03-27 西安工程大学 A kind of sewage-treatment plant

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* Cited by examiner, † Cited by third party
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US4482459A (en) * 1983-04-27 1984-11-13 Newpark Waste Treatment Systems Inc. Continuous process for the reclamation of waste drilling fluids
CN101690937B (en) * 2008-04-30 2011-06-29 濮阳市天地人环保工程技术有限公司 Process technology for treating drilling waste while drilling before falling onto ground in oil-gas fields
CN104843955B (en) * 2015-04-03 2017-03-01 李磊 A kind of oilfield drilling mud garbage is with brill processing system and processing method
CN104829070B (en) * 2015-04-03 2017-03-15 李磊 A kind of oilfield drilling mud garbage is with brill processing system
CN205275439U (en) * 2015-12-24 2016-06-01 天津万峰环保科技有限公司 Well drilling discarded object does not fall to ground collection treatment facility

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